Original PHP
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Changed PHP
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PHP Compare Tool
Compare PHP code online using our PHP diff checker and highlight differences line by line. Easily review added, removed, or modified lines and merge PHP code changes between versions.
About the PHP Diff Checker
Manual code reviews can be tedious and prone to human error. A single missing character or indentation error in PHP can break an entire application. That is why using a dedicated diff checker is essential for modern development.
Diff Guru's PHP Code Compare tool is engineered to help you diff code accurately. Unlike standard text comparison tools, our engine understands PHP syntax. It visualizes structure, keywords, and logic changes with distinct colors, allowing you to compare code files confidently and merge changes without conflicts.
How to Compare PHP Code
1
Paste PHP Code
Copy your original code snippet into the left panel and your modified version into the right panel to prepare for the code compare.
2
Run Diff Checker
Click the "Compare PHP" button. Our engine will instantly diff code to identify additions, deletions, and modifications.
3
Analyze & Merge
Review the syntax-highlighted changes. Use the merge tool to combine the best parts of both versions into one final file.
Supported Formats & Languages
Diff Guru supports a vast array of formats. Select a specific tool below for optimized syntax highlighting and comparison.
Programming
Data & Config
Why Choose This PHP Diff Tool?
Syntax Awareness
We don't just diff text; we diff code. Enjoy native PHP coloring for better readability.
Secure Client-Side Processing
When you compare code here, it stays on your machine. We strictly adhere to privacy, so your proprietary logic is safe.
Instant Performance
No upload times. Our diff checker runs in your browser memory for immediate feedback.
Frequently Asked Questions
Yes, Diff Guru is a completely free diff checker. You can compare PHP code files as often as you like without any hidden costs or subscription fees.
Absolutely. We use client-side processing, which means your code never leaves your browser. It is not uploaded to our servers, making this the most secure way to diff code online.
Yes! Unlike basic text comparison tools, our tool recognizes PHP syntax. It highlights keywords, comments, strings, and operators to make reading the code diff much easier.
Yes. When you compare code and find differences, you can use the merge arrows to move code from the original file to the changed file, allowing you to construct a final version easily.